Home / 201,126,951.37-301,566,959.56-78,161,691.61

Finding the Fourth Proportional to 201,126,951.37, 301,566,959.56 and 78,161,691.61

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Solution

The fourth proportional to 201,126,951.37, 301,566,959.56 and 78,161,691.61 is: 117,194,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,126,951.37 : 301,566,959.56 = 78,161,691.61 : x
  2. Step 2: Convert to fraction form
    201,126,951.37/301,566,959.56 = 78,161,691.61/x
  3. Step 3: Cross multiply
    201,126,951.37x = 301,566,959.56 × 78,161,691.61
  4. Step 4: Simplify right side
    201,126,951.37x = 23,570,983,692,894,060
  5. Step 5: Solve for x
    x = 23,570,983,692,894,060/201,126,951.37
  6. Step 6: Final answer
    x = 117,194,555.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.